Glue pen



FIG. 1 is a perspective view of a glue pen embodying the invention.

FIG. 2 is a front view of the glue pen of FIG. 1 .

FIG. 3 is a rear view of the glue pen of FIG. 1 .

FIG. 4 is a first side view of the glue pen of FIG. 1 .

FIG. 5 is a second side view of the glue pen of FIG. 1 .

FIG. 6 is a top view of the glue pen of FIG. 1 ; and,

FIG. 7 is a bottom view of the glue pen of FIG. 1 . 

CLAIM We claim the ornamental design for a glue pen, as shown and described. 